1. 動詞
   不及物動詞:
   阻止, 妨礙
   及物動詞:
   防止...(人事物)
   預防...(人事物)
   阻止...(人事物)
   妨礙...(人事物)
   制止...(人事物)
   prevent ...(a: 人事物) from ...(b: 動詞ing ...):
   防止(a)做(b)
   

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   同義字詞
   avert,forestall,head off,help,obviate,preclude,stave off
   

例句

1. I had seconds to prevent it.
2. Inevitably, unionists will seek to prevent this.
3. This saves water and helps prevent plant diseases.
4. That is what trademark law is intended to prevent .
5. Diodes will prevent currents in unintended directions.
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